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Cheap Flights from Vientiane to Siem Reap–Angkor

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Compare Vientiane to Siem Reap–Angkor flight deals

Find the cheapest month or even day of the year to fly to Siem Reap–Angkor

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Flight deals from Vientiane to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from Vientiane to Siem Reap–Angkor ? Find the lowest prices on one-way and return tickets right here.
Siem Reap.ج.م.‏ 6,878 per passenger.Departing Wed, 21 May.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Wed, 21 May, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ج.م.‏ 6,878, select.
Siem Reap.ج.م.‏ 6,891 per passenger.Departing Fri, 6 Jun.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Fri, 6 Jun, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ج.م.‏ 6,891, select.
Siem Reap.ج.م.‏ 6,896 per passenger.Departing Fri, 4 Jul.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Fri, 4 Jul, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ج.م.‏ 6,896, select.
Siem Reap.ج.م.‏ 6,959 per passenger.Departing Wed, 27 Aug.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Wed, 27 Aug, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ج.م.‏ 6,959, select.
Siem Reap.ج.م.‏ 7,010 per passenger.Departing Sat, 15 Nov.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Sat, 15 Nov, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ج.م.‏ 7,010, select.
Siem Reap.ج.م.‏ 7,010 per passenger.Departing Mon, 1 Sep.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Mon, 1 Sep, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ج.م.‏ 7,010, select.
Siem Reap.ج.م.‏ 7,010 per passenger.Departing Wed, 8 Oct.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Vientiane on Wed, 8 Oct, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ج.م.‏ 7,010, select.
Siem Reap.ج.م.‏ 10,286 per passenger.Departing Sun, 18 Jan.One-way flight with Lao Airlines.Outbound indirect flight with Lao Airlines, departs from Vientiane on Sun, 18 Jan, arriving in Siem Reap–Angkor .Price includes taxes and charges.From ج.م.‏ 10,286, select.

Find the cheapest month to fly from Vientiane to Siem Reap–Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Vientiane to Siem Reap–Angkor flights are currently cheapest in May.
May
from ج.م.‏ 6,879
Jun
from ج.م.‏ 6,892
Jul
from ج.م.‏ 6,896
Aug
from ج.م.‏ 6,960
Sep
from ج.م.‏ 7,011
Oct
from ج.م.‏ 7,011
Nov
from ج.م.‏ 7,011
Dec
from ج.م.‏ 10,339
Jan
from ج.م.‏ 10,287
Feb
from ج.م.‏ 10,574
Mar
Find prices
Apr
from ج.م.‏ 13,071

Vientiane to Siem Reap–Angkor : Alternative routes

Compare routes from Vientiane to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap–Angkor .

Vientiane to Siem Reap: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 6,878
Cheapest month to flyMay

Finding cheap flights from Vientiane to Siem Reap–Angkor : Frequently asked questions

The best price we found for a return flight from Vientiane to Siem Reap–Angkor is ج.م.‏ 15,591. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Vientiane to Siem Reap–Angkor . But we found flights with one or more stops from ج.م.‏ 15,591.
As of May 2025, there are no flights flying from Vientiane to Siem Reap–Angkor .
The cheapest month to fly from Vientiane to Siem Reap–Angkor is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Vientiane Airport to Siem Reap–Angkor Airport on Friday, 30 May 2025.
No airlines currently offer direct flights between Vientiane Airport and Siem Reap–Angkor Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Siem Reap–Angkor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Thai AirAsia offers the cheapest flight tickets to Siem Reap–Angkor .

Flying from Wattay International Airport (VTE) to Siem Reap-Ankor International Airport (SAI): what you need to know

  • Siem Reap's timezone is UTC+7, which is the same as Vientiane.

  • Arrive at the airport on time so you don't miss your VTE to SAI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • You can expect longer lines in popular months such as August. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a good idea.

How to find the cheapest flights from Wattay International Airport (VTE) to Siem Reap-Ankor International Airport (SAI)

  • Currently, ج.م.‏ 6,879 is the cheapest price we've found for a one-way Wattay International Airport to Siem Reap-Ankor International Airport flight. The best price for a return ticket is ج.م.‏ 15,592. Keep in mind that fares may change due to demand when booking.

  • It's usually best to book ahead of time if you want to find cheap tickets from VTE to SAI. That's because flight prices are based on demand, which tends to increase closer to departure.

  • Finding cheap flights from Wattay International Airport to Siem Reap-Ankor International Airport is easier if you're flexible with your travel plans. Use the 'Whole month' tool to see the best prices throughout the month and bag a great deal.

  • Finding cheap flights from VTE to SAI is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a new discounted fare appears.

  • Pick your preferred arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Wattay International Airport to Siem Reap-Ankor International Airport.

Handy information about Wattay International Airport (VTE)

  • When it comes to Wattay International Airport's on-time performance, data shows 73.92% of flights arrive within the expected timeframe.

  • Wattay International Airport is about 8 kilometres from central Vientiane. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 20 minutes or so to arrive, depending on the traffic.

  • Need a convenient hotel close to VTE? If you're boarding an early flight from Wattay International Airport to Siem Reap-Ankor International Airport, these accommodation options will have you moments from your departure lounge:

Arriving at Siem Reap-Ankor International Airport (SAI)

  • Consider staying at Chansor Community Homestay 18 after arriving from your Wattay International Airport to Siem Reap-Ankor International Airport flight. It's only a short drive from SAI and a good choice if you want to catch some z's soon after landing.

Getting from Siem Reap-Ankor International Airport (SAI) to central Siem Reap

  • Siem Reap-Ankor International Airport is roughly 48 kilometres from the centre of Siem Reap. Driving there takes about 1 hour.

When to fly to Siem Reap-Ankor International Airport (SAI)

  • It's time to work out your travel dates for your flight from Wattay International Airport to Siem Reap-Ankor International Airport. April is the most popular month to visit Siem Reap. If you're after a quieter vibe, go in April.

  • When reserving your flight from Wattay International Airport to Siem Reap-Ankor International Airport, consider the kind of weather you like. March is the warmest month in Siem Reap, with temperatures ranging from 22ºC to 38ºC.

  • If you like travelling in cooler conditions, look for a cheap ticket from VTE to SAI in January. Temperatures average between 18ºC and 33ºC then.

Explore more of Cambodia

  • Phnom Penh is just one of the many places in Cambodia waiting to be discovered after you've experienced Siem Reap. Around 225 kilometres away to the south-east, top sights here include Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • Sihanoukville is another well-known destination in Cambodia and is around 306 kilometres south of Siem Reap. No journey is complete without a visit to Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

Plan the rest of your trip from Vientiane to Siem Reap

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.